Oracle Flashback Technologies - 闪回查询

Oracle Flashback Technologies - 闪回查询

 

查看表中，某行数据的修改记录

#创建一个表，并插入和修改数据

SQL> create table y3(id int,name varchar2(20));



Table created.



SQL> insert into y3 values(1,'wahaha');



1 row created.



SQL> commit;



Commit complete.



SQL> update y3 set name='nongfushanquan' where id=1;



1 row updated.



SQL> commit;



Commit complete.

 

SQL> update y3 set name='kaifei' where id=1;



1 row updated.



SQL> commit;



Commit complete.



SQL> update y3 set name='pijiu' where id=1;



1 row updated.



SQL> commit;



Commit complete.



SQL> update y3 set name='hongniu' where id=1;



1 row updated.



SQL> commit;



Commit complete.



SQL> update y3 set name='kele' where id=1;



1 row updated.



SQL> commit;



Commit complete.



SQL>

#查询

#查询

SQL> select

  2   name,

  3   versions_starttime,

  4   versions_startscn,

  5   versions_endtime,

  6   versions_endscn,

  7   versions_xid,

  8   versions_operation

  9   from y3

 10   versions between scn minvalue and maxvalue

 11   where id = 1

 12   order by 3

 13   /



NAME                 VERSIONS_STARTTIME        VERSIONS_STARTSCN VERSIONS_ENDTIME          VERSIONS_ENDSCN VERSIONS_XID     V

-------------------- ------------------------- ----------------- ------------------------- --------------- ---------------- -

wahaha               23-JUN-15 08.36.07 AM               1466318 23-JUN-15 08.36.46 AM             1466333 0400200065030000 I

nongfushanquan       23-JUN-15 08.36.46 AM               1466333 23-JUN-15 08.37.16 AM             1466347 0A00040015040000 U

kaifei               23-JUN-15 08.37.16 AM               1466347 23-JUN-15 08.37.31 AM             1466355 070018009D030000 U

pijiu                23-JUN-15 08.37.31 AM               1466355 23-JUN-15 08.37.49 AM             1466364 01000D0048030000 U

hongniu              23-JUN-15 08.37.49 AM               1466364 23-JUN-15 08.39.04 AM             1466400 02001B0021040000 U

kele                 23-JUN-15 08.39.04 AM               1466400                                           06000400DC040000 U



6 rows selected.



SQL>  

 

 

查看语句

select

 name,

 versions_starttime,

 versions_startscn,

 versions_endtime,

 versions_endscn,

 versions_xid,

 versions_operation

 from y3

 versions between scn minvalue and maxvalue

 #versions between timestamp minvalue and maxvalue 也可以根据时间戳来查看

 where id = 1

 order by 3

 /